1 // -*- C++ -*- forwarding header.
3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
5 // Free Software Foundation, Inc.
7 // This file is part of the GNU ISO C++ Library. This library is free
8 // software; you can redistribute it and/or modify it under the
9 // terms of the GNU General Public License as published by the
10 // Free Software Foundation; either version 2, or (at your option)
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this library; see the file COPYING. If not, write to
20 // the Free Software Foundation, 51 Franklin Street, Fifth Floor,
21 // Boston, MA 02110-1301, USA.
23 // As a special exception, you may use this file as part of a free software
24 // library without restriction. Specifically, if other files instantiate
25 // templates or use macros or inline functions from this file, or you compile
26 // this file and link it with other files to produce an executable, this
27 // file does not by itself cause the resulting executable to be covered by
28 // the GNU General Public License. This exception does not however
29 // invalidate any other reasons why the executable file might be covered by
30 // the GNU General Public License.
32 /** @file include/cstdlib
33 * This is a Standard C++ Library file. You should @c #include this file
34 * in your programs, rather than any of the "*.h" implementation files.
36 * This is the C++ version of the Standard C Library header @c stdlib.h,
37 * and its contents are (mostly) the same as that header, but are all
38 * contained in the namespace @c std (except for names which are defined
43 // ISO C++ 14882: 20.4.6 C library
46 #pragma GCC system_header
48 #include <bits/c++config.h>
51 #ifndef _GLIBCXX_CSTDLIB
52 #define _GLIBCXX_CSTDLIB 1
55 // The C standard does not require a freestanding implementation to
56 // provide <stdlib.h>. However, the C++ standard does still require
57 // <cstdlib> -- but only the functionality mentioned in
58 // [lib.support.start.term].
60 #define EXIT_SUCCESS 0
61 #define EXIT_FAILURE 1
63 _GLIBCXX_BEGIN_NAMESPACE(std)
65 extern "C" void abort(void);
66 extern "C" int atexit(void (*)());
67 extern "C" void exit(int);
69 _GLIBCXX_END_NAMESPACE
73 #include_next <stdlib.h>
75 // Get rid of those macros defined in <stdlib.h> in lieu of real functions.
105 _GLIBCXX_BEGIN_NAMESPACE(std)
125 #ifdef _GLIBCXX_HAVE_MBSTATE_T
129 #endif // _GLIBCXX_HAVE_MBSTATE_T
138 #ifdef _GLIBCXX_USE_WCHAR_T
141 #endif // _GLIBCXX_USE_WCHAR_T
144 abs(long __i) { return labs(__i); }
147 div(long __i, long __j) { return ldiv(__i, __j); }
149 _GLIBCXX_END_NAMESPACE
162 _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
164 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
167 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
168 extern "C" void (_Exit)(int);
170 #if !_GLIBCXX_USE_C99_DYNAMIC
175 abs(long long __x) { return __x >= 0 ? __x : -__x; }
177 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
181 div(long long __n, long long __d)
182 { lldiv_t __q; __q.quot = __n / __d; __q.rem = __n % __d; return __q; }
187 #if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
188 extern "C" long long int (atoll)(const char *);
189 extern "C" long long int
190 (strtoll)(const char * restrict, char ** restrict, int);
191 extern "C" unsigned long long int
192 (strtoull)(const char * restrict, char ** restrict, int);
194 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
202 _GLIBCXX_END_NAMESPACE
204 _GLIBCXX_BEGIN_NAMESPACE(std)
206 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
207 using ::__gnu_cxx::lldiv_t;
209 using ::__gnu_cxx::_Exit;
210 using ::__gnu_cxx::abs;
211 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
212 using ::__gnu_cxx::llabs;
213 using ::__gnu_cxx::div;
214 using ::__gnu_cxx::lldiv;
216 using ::__gnu_cxx::atoll;
217 using ::__gnu_cxx::strtof;
218 using ::__gnu_cxx::strtoll;
219 using ::__gnu_cxx::strtoull;
220 using ::__gnu_cxx::strtold;
222 _GLIBCXX_END_NAMESPACE
224 #endif // _GLIBCXX_USE_C99
226 #ifdef __GXX_EXPERIMENTAL_CXX0X__
227 # if defined(_GLIBCXX_INCLUDE_AS_TR1)
228 # error C++0x header cannot be included from TR1 header
230 # if defined(_GLIBCXX_INCLUDE_AS_CXX0X)
231 # include <tr1_impl/cstdlib>
233 # define _GLIBCXX_INCLUDE_AS_CXX0X
234 # define _GLIBCXX_BEGIN_NAMESPACE_TR1
235 # define _GLIBCXX_END_NAMESPACE_TR1
236 # define _GLIBCXX_TR1
237 # include <tr1_impl/cstdlib>
239 # undef _GLIBCXX_END_NAMESPACE_TR1
240 # undef _GLIBCXX_BEGIN_NAMESPACE_TR1
241 # undef _GLIBCXX_INCLUDE_AS_CXX0X
245 #endif // !_GLIBCXX_HOSTED